![]() |
![]() |
![]() |
![]() |
![]() |
||||||
|
|||||||||||||||||||
In 1673 Gottfried Leibniz built a mechanical calculating machine that multiplied, subtracted added and divided.
|
|||||||||||||||||||
| Prompting |
Renewing |
Fortifying |
Scheming |
|---|---|---|---|
Postcards, Logo tips and Stock Image Terrific Sources: Shopping Fast Food I Stock Photo Images I Logo Designing Tips I Printing Opinions I Household Hints I Medical Caduseus